# Lee Jin-uk Joins tvN Forensic Mystery Drama 'Unnatural' as Cold-Minded Pathologist

- URL: https://unnienote.app/en/news/lee-jin-uk-joins-tvn-forensic-drama-unnatural-8d62f2
- Published: 2026-10-23T00:15:02.545Z
- Publisher: Unnie Note

> Lee Jin-uk has been cast as forensic pathologist Gu Seung-hyuk in tvN's upcoming mystery medical drama 'Unnatural', according to the production team.

## Key points

1. Lee plays Gu Seung-hyuk, a forensic expert nicknamed 'Jeoseung-hyuk'.
2. Lim Yoona and Cha Kang-yoon were previously confirmed as cast members.
3. The drama is set to premiere in 2027.

Actor Lee Jin-uk has joined the cast of tvN's new drama 'Unnatural' (working title), playing a veteran forensic pathologist, the production team announced on October 22.

## What is 'Unnatural' about?

The series is a mystery medical drama set at U.D.I, a fictional institute attached to the National Forensic Service. Forensic scientists uncover the truth behind unnatural deaths.

## Who is Lee's character?

Lee plays Gu Seung-hyuk, a cold and sharp-minded expert. He is more focused on the dead than the living, which earned him the nickname 'Jeoseung-hyuk.' The production team said Lee's restrained emotional acting and cool presence will bring depth to the role, with subtle feelings behind a blank expression.

## Who else is in the cast?

Lim Yoona was previously confirmed to play Song Do-eun, a forensic pathologist at the U.D.I center. Cha Kang-yoon will play Kang Ji-sung, a medical student assigned to public service as a government worker.

## When does 'Unnatural' premiere?

The drama is scheduled to premiere in 2027. It is written by Min Ji-eun and directed by Park You-young.

## For international fans

Lee Jin-uk is a Korean actor known for his work in dramas, and this project marks his return to the small screen in a crime-and-science setting. Fans of medical and forensic thrillers may want to follow the series as it approaches its release. Exact broadcast platforms for overseas viewers have not been announced in the source material.

## FAQ

### Who is in the cast of Unnatural?

Lee Jin-uk plays forensic pathologist Gu Seung-hyuk, Lim Yoona plays Song Do-eun, and Cha Kang-yoon plays Kang Ji-sung.

## Sources

- [디스패치 | 뉴스는 팩트다!](https://www.dispatch.co.kr/2349616)

_Written and translated with AI from official announcements and Korean media reports. If something is wrong, please let us know._